import pygal
from pygal.style import LightenStyle as LS,LightColorizedStyle as LCS

my_style = LS('#336699',base_style=LCS)
chart = pygal.Bar(style=my_style,x_label_rotation=45,show_legend=False)

chart.title = 'Python projects'
chart.x_labels = ['httpie','django','flask']

plot_dicts = [
    {'value':16101,'label':'Description of httpie.'},
    {'value':15028,'label':'Description of django.'},
    {'value':14798,'label':'Description of flask.'}
]

chart.add('',plot_dicts)
chart.render_to_file('show_tip.svg')